Erik is long time 3D printing fanatic, has been an early RepRap contributor and is one of the co-founders Ultimaker BV. He created YouMagine while at Ultimaker. YouMagine is no longer an Ultimaker-owned platform, but Erik continues to develop and impr...

Richard Horne (RichRap) is an Electronics Engineer, Product Designer, Salesman, and Problem Solver working in a wide range of industries and applications, across many platforms and technologies for the last 20 years. My inte...

I am a professor that runs Western University's Free Appropriate Sustainability Technology (FAST) research Group Research group. I wrote the Open Source Lab: How to Build Your Own Hardware and Reduce Research Costs.